Add consumable item sell functionality

server/Makefile

@@ -1,7 +1,7 @@
 # Proto generation: outputs to gen/proto/ (module=lunar-tear/server).
 # All proto files have go_package. Only protos used by the server are generated here
 # (generating all would put them in one package and cause name clashes).
-PROTO_USED = proto/banner.proto proto/battle.proto proto/bighunt.proto proto/cageornament.proto proto/character.proto proto/characterboard.proto proto/characterviewer.proto proto/companion.proto proto/config.proto proto/contentsstory.proto proto/costume.proto proto/data.proto proto/deck.proto proto/dokan.proto proto/explore.proto proto/friend.proto proto/gacha.proto proto/gameplay.proto proto/gift.proto proto/gimmick.proto proto/labyrinth.proto proto/loginbonus.proto proto/material.proto proto/mission.proto proto/movie.proto proto/navicutin.proto proto/omikuji.proto proto/notification.proto proto/parts.proto proto/portalcage.proto proto/pvp.proto proto/quest.proto proto/reward.proto proto/shop.proto proto/sidestoryquest.proto proto/tutorial.proto proto/user.proto proto/weapon.proto
+PROTO_USED = proto/banner.proto proto/battle.proto proto/bighunt.proto proto/cageornament.proto proto/character.proto proto/characterboard.proto proto/characterviewer.proto proto/companion.proto proto/config.proto proto/consumableitem.proto proto/contentsstory.proto proto/costume.proto proto/data.proto proto/deck.proto proto/dokan.proto proto/explore.proto proto/friend.proto proto/gacha.proto proto/gameplay.proto proto/gift.proto proto/gimmick.proto proto/labyrinth.proto proto/loginbonus.proto proto/material.proto proto/mission.proto proto/movie.proto proto/navicutin.proto proto/omikuji.proto proto/notification.proto proto/parts.proto proto/portalcage.proto proto/pvp.proto proto/quest.proto proto/reward.proto proto/shop.proto proto/sidestoryquest.proto proto/tutorial.proto proto/user.proto proto/weapon.proto
 
 proto:
 	protoc -I . $(PROTO_USED) --go_out=. --go_opt=module=lunar-tear/server --go-grpc_out=. --go-grpc_opt=module=lunar-tear/server

server/cmd/lunar-tear/grpc.go

@@ -55,6 +55,7 @@ func startGRPC(
 	characterRebirthCatalog *masterdata.CharacterRebirthCatalog,
 	companionCatalog *masterdata.CompanionCatalog,
 	materialCatalog *masterdata.MaterialCatalog,
+	consumableItemCatalog *masterdata.ConsumableItemCatalog,
 	gameConfig *masterdata.GameConfig,
 	sideStoryCatalog *masterdata.SideStoryCatalog,
 	bigHuntCatalog *masterdata.BigHuntCatalog,
@@ -90,6 +91,7 @@ func startGRPC(
 		characterRebirthCatalog,
 		companionCatalog,
 		materialCatalog,
+		consumableItemCatalog,
 		gameConfig,
 		sideStoryCatalog,
 		bigHuntCatalog,
@@ -126,6 +128,7 @@ func registerServices(
 	characterRebirthCatalog *masterdata.CharacterRebirthCatalog,
 	companionCatalog *masterdata.CompanionCatalog,
 	materialCatalog *masterdata.MaterialCatalog,
+	consumableItemCatalog *masterdata.ConsumableItemCatalog,
 	gameConfig *masterdata.GameConfig,
 	sideStoryCatalog *masterdata.SideStoryCatalog,
 	bigHuntCatalog *masterdata.BigHuntCatalog,
@@ -163,6 +166,7 @@ func registerServices(
 	pb.RegisterCharacterServiceServer(srv, service.NewCharacterServiceServer(userStore, userStore, characterRebirthCatalog, gameConfig))
 	pb.RegisterCompanionServiceServer(srv, service.NewCompanionServiceServer(userStore, userStore, companionCatalog, gameConfig))
 	pb.RegisterMaterialServiceServer(srv, service.NewMaterialServiceServer(userStore, userStore, materialCatalog, gameConfig))
+	pb.RegisterConsumableItemServiceServer(srv, service.NewConsumableItemServiceServer(userStore, userStore, consumableItemCatalog, gameConfig))
 	pb.RegisterSideStoryQuestServiceServer(srv, service.NewSideStoryQuestServiceServer(userStore, userStore, sideStoryCatalog))
 	pb.RegisterBigHuntServiceServer(srv, service.NewBigHuntServiceServer(userStore, userStore, bigHuntCatalog, questEngine))
 	pb.RegisterRewardServiceServer(srv, service.NewRewardServiceServer(userStore, userStore, bigHuntCatalog, questEngine.Granter))

server/cmd/lunar-tear/main.go

@@ -120,6 +120,12 @@ func main() {
 	}
 	log.Printf("material catalog loaded: %d materials", len(materialCatalog.All))
 
+	consumableItemCatalog, err := masterdata.LoadConsumableItemCatalog()
+	if err != nil {
+		log.Fatalf("load consumable item catalog: %v", err)
+	}
+	log.Printf("consumable item catalog loaded: %d items", len(consumableItemCatalog.All))
+
 	costumeCatalog, err := masterdata.LoadCostumeCatalog(materialCatalog)
 	if err != nil {
 		log.Fatalf("load costume catalog: %v", err)
@@ -184,6 +190,7 @@ func main() {
 		characterRebirthCatalog,
 		companionCatalog,
 		materialCatalog,
+		consumableItemCatalog,
 		gameConfig,
 		sideStoryCatalog,
 		bigHuntCatalog,

server/internal/masterdata/consumableitem.go

@@ -0,0 +1,31 @@
+package masterdata
+
+import (
+	"fmt"
+
+	"lunar-tear/server/internal/utils"
+)
+
+type ConsumableItemRow struct {
+	ConsumableItemId int32 `json:"ConsumableItemId"`
+	SellPrice        int32 `json:"SellPrice"`
+}
+
+type ConsumableItemCatalog struct {
+	All map[int32]ConsumableItemRow
+}
+
+func LoadConsumableItemCatalog() (*ConsumableItemCatalog, error) {
+	rows, err := utils.ReadJSON[ConsumableItemRow]("EntityMConsumableItemTable.json")
+	if err != nil {
+		return nil, fmt.Errorf("load consumable item table: %w", err)
+	}
+
+	catalog := &ConsumableItemCatalog{
+		All: make(map[int32]ConsumableItemRow, len(rows)),
+	}
+	for _, row := range rows {
+		catalog.All[row.ConsumableItemId] = row
+	}
+	return catalog, nil
+}

server/internal/service/consumableitem.go

@@ -0,0 +1,75 @@
+package service
+
+import (
+	"context"
+	"fmt"
+	"log"
+
+	pb "lunar-tear/server/gen/proto"
+	"lunar-tear/server/internal/masterdata"
+	"lunar-tear/server/internal/store"
+	"lunar-tear/server/internal/userdata"
+)
+
+type ConsumableItemServiceServer struct {
+	pb.UnimplementedConsumableItemServiceServer
+	users    store.UserRepository
+	sessions store.SessionRepository
+	catalog  *masterdata.ConsumableItemCatalog
+	config   *masterdata.GameConfig
+}
+
+func NewConsumableItemServiceServer(users store.UserRepository, sessions store.SessionRepository, catalog *masterdata.ConsumableItemCatalog, config *masterdata.GameConfig) *ConsumableItemServiceServer {
+	return &ConsumableItemServiceServer{users: users, sessions: sessions, catalog: catalog, config: config}
+}
+
+func (s *ConsumableItemServiceServer) Sell(ctx context.Context, req *pb.ConsumableItemSellRequest) (*pb.ConsumableItemSellResponse, error) {
+	log.Printf("[ConsumableItemService] Sell: %d item(s)", len(req.ConsumableItemPossession))
+
+	userId := currentUserId(ctx, s.users, s.sessions)
+
+	oldUser, _ := s.users.SnapshotUser(userId)
+	tracker := userdata.NewDeleteTracker().
+		Track("IUserConsumableItem", oldUser, userdata.SortedConsumableItemRecords, []string{"userId", "consumableItemId"})
+
+	snapshot, err := s.users.UpdateUser(userId, func(user *store.UserState) {
+		totalGold := int32(0)
+		for _, item := range req.ConsumableItemPossession {
+			row, ok := s.catalog.All[item.ConsumableItemId]
+			if !ok {
+				log.Printf("[ConsumableItemService] Sell: unknown consumableItemId=%d, skipping", item.ConsumableItemId)
+				continue
+			}
+
+			cur := user.ConsumableItems[item.ConsumableItemId]
+			if cur < item.Count {
+				log.Printf("[ConsumableItemService] Sell: insufficient consumableItemId=%d have=%d need=%d", item.ConsumableItemId, cur, item.Count)
+				continue
+			}
+
+			user.ConsumableItems[item.ConsumableItemId] -= item.Count
+			if user.ConsumableItems[item.ConsumableItemId] <= 0 {
+				delete(user.ConsumableItems, item.ConsumableItemId)
+			}
+
+			gold := row.SellPrice * item.Count
+			totalGold += gold
+			log.Printf("[ConsumableItemService] Sell: consumableItemId=%d x%d -> %d gold", item.ConsumableItemId, item.Count, gold)
+		}
+
+		if totalGold > 0 {
+			user.ConsumableItems[s.config.ConsumableItemIdForGold] += totalGold
+			log.Printf("[ConsumableItemService] Sell: total gold +%d", totalGold)
+		}
+	})
+	if err != nil {
+		return nil, fmt.Errorf("consumable item sell: %w", err)
+	}
+
+	tables := userdata.SelectTables(userdata.FullClientTableMap(snapshot), []string{"IUserConsumableItem"})
+	diff := tracker.Apply(snapshot, tables)
+
+	return &pb.ConsumableItemSellResponse{
+		DiffUserData: diff,
+	}, nil
+}

server/proto/consumableitem.proto

@@ -6,29 +6,29 @@ import "proto/data.proto";
 
 package apb.api.consumableitem;
 
-service ConsumableitemService {
-	rpc UseEffectItem (UseEffectItemRequest) returns (UseEffectItemResponse);
-	rpc Sell (SellRequest) returns (SellResponse);
+service ConsumableItemService {
+	rpc UseEffectItem (ConsumableItemUseEffectItemRequest) returns (ConsumableItemUseEffectItemResponse);
+	rpc Sell (ConsumableItemSellRequest) returns (ConsumableItemSellResponse);
 }
 
-message UseEffectItemRequest {
+message ConsumableItemUseEffectItemRequest {
 	int32 consumableItemId = 1;
 	int32 count = 2;
 }
 
-message UseEffectItemResponse {
+message ConsumableItemUseEffectItemResponse {
 	map<string, apb.api.data.DiffData> diffUserData = 99;
 }
 
-message SellRequest {
-	repeated SellPossession consumableItemPossession = 1;
+message ConsumableItemSellRequest {
+	repeated ConsumableItemSellPossession consumableItemPossession = 1;
 }
 
-message SellPossession {
+message ConsumableItemSellPossession {
 	int32 consumableItemId = 1;
 	int32 count = 2;
 }
 
-message SellResponse {
+message ConsumableItemSellResponse {
 	map<string, apb.api.data.DiffData> diffUserData = 99;
 }